• fixed loose quoting bug in JSON::Parser. (Thanks to Allen Day and his patch)
  
• fixed round-trip problem (pointed by Marc Lehmann's JSON::XS)
  (However, only in the case of non autoconv mode)
  
• updated JSON::PP
  now can be used in Perl 5.8, 5.6, 5.005 (There is functional restriction).
  added allow_bigint (Thanks to Adam Sussman's patch)
  added self_encode, singlequote, allow_barekey